Module: Ratch::ZlibUtils

Defined in:
lib/ratch/utils/zlib.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(base) ⇒ Object 



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# File 'lib/ratch/utils/zlib.rb', line 11

def self.extended(base)
  included(base)
end

.included(base) ⇒ Object 



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# File 'lib/ratch/utils/zlib.rb', line 7

def self.included(base)
  require 'zlib'
end

Instance Method Details

#gzip(file, tofile = nil, options = {}) ⇒ Object

Create a gzip file.



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# File 'lib/ratch/utils/zlib.rb', line 16

def gzip(file, tofile=nil, options={})
  noop, verbose = *util_options(options)

  tofile ||= File.basename(file) + '.gz'

  puts "gzip #{file}" if verbose

  file   = localize(file)
  tofile = localize(tofile)

  Zlib::GzipWriter.open(tofile) do |gz|
    gz.write(File.read(file))
  end unless noop

  return tofile
end

#ungzip(file, options = {}) ⇒ Object

Unpack a gzip file.



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# File 'lib/ratch/utils/zlib.rb', line 34

def ungzip(file, options={})
  noop, verbose = *util_options(options)

  fname = File.basename(file).chomp(File.extname(file))

  puts "ungzip #{file}" if verbose

  fname = localize(fname)
  file  = localize(file)

  Zlib::GzipReader.open(file) do |gz|
    File.open(fname, 'wb'){ |f| f << gz.read }
  end unless noop

  return fname
end